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Finding the Fourth Proportional to 66,748.92, 100,029.92 and 44,286

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Solution

The fourth proportional to 66,748.92, 100,029.92 and 44,286 is: 66,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748.92 : 100,029.92 = 44,286 : x
  2. Step 2: Convert to fraction form
    66,748.92/100,029.92 = 44,286/x
  3. Step 3: Cross multiply
    66,748.92x = 100,029.92 × 44,286
  4. Step 4: Simplify right side
    66,748.92x = 4,429,925,037.12
  5. Step 5: Solve for x
    x = 4,429,925,037.12/66,748.92
  6. Step 6: Final answer
    x = 66,366.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.